21415306

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{88493}}^1$

素因数の和:88517

約数の個数: 12

約数和(自身を含む): 35309106

約数和(自身を除く): 13893800

約数列:

[1, 2, 11, 22, 121, 242, 88493, 176986, 973423, 1946846, 10707653, 21415306]

約数ペア:

[(1, 21415306), (2, 10707653), (11, 1946846), (22, 973423), (121, 176986), (242, 88493)]